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Mercedes-benz B-CLASS - 2010

264.9 faults per 100 tests
Year average for all cars of 2010 is 296.9 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz B-CLASS, model year 2010. Sample size: 4,710 cars, 10,910 tests and 28,902 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 4,710 cars

The 2010 Mercedes-Benz B-Class has an overall defect rate of 265 defects per 100 cars, which is 10% lower than the average for vehicles of the same year. Notably, the B-Class shows significantly fewer issues with steering and wheels, suspensions, and axles compared to its peers. However, it performs worse in the brakes category, exhibiting a higher defect rate. Mileage trends indicate that while defect rates increase with mileage, the model remains relatively consistent across different mileage brackets compared to the average.

Cars by mileage segment

Total: 4,710 cars

Categories

Brakes
▼ 45.0% worse
166.6 faults / 100 tests
Year avg: 114.9 / 100 tests
  • Brake pipe damaged or excessively corroded
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake lining or pad: worn below 1.5mm
Steering
▲ 61.5% better
6.5 faults / 100 tests
Year avg: 16.9 / 100 tests
Visibility
▲ 6.2% better
21.0 faults / 100 tests
Year avg: 22.4 / 100 tests
Lights & Electrics
▲ 12.0% better
68.3 faults / 100 tests
Year avg: 77.6 / 100 tests
  • Lamp emitted colour, position or intensity not in accordance with the requirements
Wheels & Suspension
▲ 27.4% better
207.0 faults / 100 tests
Year avg: 285.3 / 100 tests
  • Tyre tread depth not in accordance with the requirements
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A suspension pin, bush, joint or bearing: excessively worn
  • A shock absorber damaged … or showing signs of severe leakage
  • A suspension joint dust cover: severely deteriorated
Body/Structure
▼ 4.7% worse
38.0 faults / 100 tests
Year avg: 36.3 / 100 tests
  • A transmission shaft constant velocity joint boot: severely deteriorated
Equipment
▲ 22.2% better
6.3 faults / 100 tests
Year avg: 8.1 / 100 tests
Other
▲ 49.5% better
16.3 faults / 100 tests
Year avg: 32.3 / 100 tests

Fault rate by mileage segment

Model    Year average
0 443 0–31,000 mi 31,000–62,000 62,000–93,000 93,000–124,000 124,000+
* Metric: faults per 100 tests.

Most common faults (Top 10)

Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 3,293
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 2,411
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 2,121
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 1,858
A transmission shaft constant velocity joint boot: severely deteriorated
MINOR
Occurrences: 952
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 913
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 910
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 842
A suspension joint dust cover: severely deteriorated
MINOR
Occurrences: 836
Lamp emitted colour, position or intensity not in accordance with the requirements
ADVISORY
Occurrences: 684

Serious faults (Top 10)

A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 560
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 518
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 515
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 452
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 423
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 402
Lamp emitted colour, position or intensity not in accordance with the requirements
FAIL
Occurrences: 357
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 309
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 268
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 223